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https://github.com/aseprite/aseprite.git
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445 lines
12 KiB
Lua
445 lines
12 KiB
Lua
-- Copyright (C) 2019-2023 Igara Studio S.A.
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-- Copyright (C) 2018 David Capello
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--
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-- This file is released under the terms of the MIT license.
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-- Read LICENSE.txt for more information.
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dofile('./test_utils.lua')
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local rgba = app.pixelColor.rgba
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local a = Image(32, 64)
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assert(a.id > 0)
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assert(a.width == 32)
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assert(a.height == 64)
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assert(a.colorMode == ColorMode.RGB) -- RGB by default
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assert(a.rowStride == 32*4)
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assert(a:isEmpty())
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assert(a:isPlain(rgba(0, 0, 0, 0)))
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assert(a:isPlain(0))
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do
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local b = Image(32, 64, ColorMode.INDEXED)
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assert(b.width == 32)
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assert(b.height == 64)
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assert(b.colorMode == ColorMode.INDEXED)
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assert(b.rowStride == 32*1)
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local c = Image{ width=32, height=64, colorMode=ColorMode.INDEXED }
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assert(c.width == 32)
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assert(c.height == 64)
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assert(c.colorMode == ColorMode.INDEXED)
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end
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-- Get/put RGBA pixels
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do
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for y=0,a.height-1 do
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for x=0,a.width-1 do
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a:putPixel(x, y, rgba(x, y, x+y, x-y))
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end
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end
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assert(not a:isEmpty())
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end
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-- Clear
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do
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local spec = ImageSpec{
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width=2, height=2,
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colorMode=ColorMode.INDEXED,
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transparentColor=1 }
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local img = Image(spec)
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img:clear()
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expect_img(img, { 1, 1,
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1, 1 })
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img:clear(img.bounds)
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expect_img(img, { 1, 1,
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1, 1 })
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img:clear(Rectangle(1, 0, 1, 2), 2)
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expect_img(img, { 1, 2,
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1, 2 })
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end
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-- Clone
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do
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local c = Image(a)
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local d = a:clone()
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assert(c.width == 32)
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assert(c.height == 64)
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assert(c.colorMode == ColorMode.RGB)
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assert(c.width == d.width)
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assert(c.height == d.height)
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assert(c.colorMode == d.colorMode)
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assert(c.id ~= d.id) -- The clone must have different ID
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-- Get RGB pixels
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for y=0,c.height-1 do
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for x=0,c.width-1 do
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local expectedColor = rgba(x, y, x+y, x-y)
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assert(c:getPixel(x, y) == expectedColor)
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assert(d:getPixel(x, y) == expectedColor)
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end
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end
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-- Clone a rectangle
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local e = Image(c, Rectangle(1, 1, 4, 5))
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print(e.width)
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print(e.height)
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assert(e.width == 4)
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assert(e.height == 5)
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-- Empty clone
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assert(nil == Image(c, Rectangle(1, 1, 0, 0)))
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end
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-- Patch
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do
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local spr = Sprite(256, 256)
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local image = app.site.image
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local imageID = image.id
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assert(image.id > 0)
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assert(image.version == 0)
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local copy = image:clone()
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assert(image:getPixel(0, 0) == 0)
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for y=0,copy.height-1 do
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for x=0,copy.width-1 do
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copy:putPixel(x, y, rgba(255-x, 255-y, 0, 255))
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end
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end
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image:putImage(copy)
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assert(image.version == 1)
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assert(image:getPixel(0, 0) == rgba(255, 255, 0, 255))
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assert(image:getPixel(255, 255) == rgba(0, 0, 0, 255))
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app.undo()
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assert(image.version == 2)
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assert(image.id == imageID) -- the ID doesn't change
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assert(image:getPixel(0, 0) == rgba(0, 0, 0, 0))
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assert(image:getPixel(255, 255) == rgba(0, 0, 0, 0))
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end
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-- Load/Save
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do
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local a = Image{ fromFile="sprites/1empty3.aseprite" }
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assert(a.width == 32)
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assert(a.height == 32)
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a:saveAs("_test_oneframe.png")
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local b = Image{ fromFile="_test_oneframe.png" }
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assert(b.width == 32)
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assert(b.height == 32)
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for y=0,a.height-1 do
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for x=0,a.width-1 do
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assert(a:getPixel(x, y) == b:getPixel(x, y))
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end
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end
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end
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-- Save indexed image and load and check that the palette is the same
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do
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local spr = Sprite{ fromFile="sprites/abcd.aseprite" }
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local img = Image{ fromFile="sprites/abcd.aseprite" }
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spr.cels[1].image:saveAs("_test_palette_a.png")
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img:saveAs("_test_palette_b.png") -- This file will contain a black palette
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img:saveAs{ filename="_test_palette_c.png", palette=spr.palettes[1] }
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local a = Sprite{ fromFile="_test_palette_a.png" }
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local b = Sprite{ fromFile="_test_palette_b.png" }
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local c = Sprite{ fromFile="_test_palette_c.png" }
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assert(a.width == 5)
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assert(a.height == 7)
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assert(b.width == 32)
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assert(b.height == 32)
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assert(c.width == 32)
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assert(c.height == 32)
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local bimg = b.cels[1].image
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local cimg = c.cels[1].image
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for y=0,31 do
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for x=0,31 do
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assert(bimg:getPixel(x, y) == cimg:getPixel(x, y))
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end
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end
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local apal = a.palettes[1]
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local bpal = b.palettes[1]
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local cpal = c.palettes[1]
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-- Same palette in a and c
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assert(#apal == #cpal)
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for i=0,#apal-1 do
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assert(apal:getColor(i) == cpal:getColor(i))
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end
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-- b should contain a complete black palette
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assert(bpal:getColor(0) == Color(0, 0, 0, 0))
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for i=1,#bpal-1 do
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assert(bpal:getColor(i) == Color(0, 0, 0, 255))
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end
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end
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-- Resize image
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do
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local a = Sprite(3, 2)
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local cel = a.cels[1]
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assert(cel.bounds == Rectangle(0, 0, 3, 2))
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local img = cel.image
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local cols = { rgba(10, 60, 1), rgba(20, 50, 2), rgba(30, 40, 3),
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rgba(40, 30, 4), rgba(50, 20, 5), rgba(60, 10, 6) }
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array_to_pixels(cols, img)
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expect_img(img, cols)
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-- Test resize of a cel with origin=0,0
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img:resize(img.width*2, img.height*2)
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expect_eq(cel.bounds, Rectangle(0, 0, 6, 4))
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expect_eq(img.width, 6)
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expect_eq(img.height, 4)
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local cols2 = { cols[1],cols[1], cols[2],cols[2], cols[3],cols[3],
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cols[1],cols[1], cols[2],cols[2], cols[3],cols[3],
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cols[4],cols[4], cols[5],cols[5], cols[6],cols[6],
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cols[4],cols[4], cols[5],cols[5], cols[6],cols[6] }
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expect_img(img, cols2)
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-- Undo
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function undo()
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app.undo()
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img = cel.image -- TODO img shouldn't be invalidated, the resize operation should kept the image ID
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end
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undo()
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-- Test a resize when cel origin > 0,0
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cel.position = Point(2, 1)
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expect_eq(cel.bounds, Rectangle(2, 1, 3, 2))
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expect_img(img, cols)
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img:resize{ width=6, height=4 }
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expect_eq(cel.bounds, Rectangle(2, 1, 6, 4)) -- Position is not modified
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expect_eq(img.width, 6)
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expect_eq(img.height, 4)
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undo()
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img:resize{ size=Size(6, 4), pivot=Point(1, 1) }
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expect_eq(cel.bounds, Rectangle(1, 0, 6, 4))
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undo()
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img:resize{ size=Size(6, 4), pivot=Point(3, 2) }
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expect_eq(cel.bounds, Rectangle(-1, -1, 6, 4))
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-- Test resize without cel
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local img2 = Image(img)
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expect_img(img2, cols2)
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img2:resize(3, 2)
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expect_img(img2, cols)
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end
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-- Bounds & shrink bounds
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do
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local a = Image(5, 4, ColorMode.INDEXED)
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array_to_pixels({ 0, 0, 0, 0, 0,
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0, 1, 0, 0, 0,
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0, 0, 0, 1, 0,
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0, 0, 0, 0, 0, }, a)
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expect_eq(a.bounds, Rectangle(0, 0, 5, 4))
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expect_eq(a:shrinkBounds(), Rectangle(1, 1, 3, 2))
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expect_eq(a:shrinkBounds(1), Rectangle(0, 0, 5, 4))
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array_to_pixels({ 2, 2, 2, 2, 2,
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0, 1, 0, 0, 2,
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0, 0, 0, 1, 2,
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0, 0, 0, 0, 2, }, a)
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expect_eq(a:shrinkBounds(), Rectangle(0, 0, 5, 4))
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expect_eq(a:shrinkBounds(1), Rectangle(0, 0, 5, 4))
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expect_eq(a:shrinkBounds(2), Rectangle(0, 1, 4, 3))
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end
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-- Test v1.2.17 crashes
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do
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local defSpec = ImageSpec{ width=1, height=1, colorMode=ColorMode.RGB }
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local img = Image() -- we create a 1x1 RGB image
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assert(img ~= nil)
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assert(img.spec == defSpec)
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img = Image(nil)
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assert(img ~= nil)
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assert(img.spec == defSpec)
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local spr = Sprite(32, 32, ColorMode.INDEXED)
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spr.cels[1].image:putPixel(15, 15, 129)
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img = Image(spr) -- we create a sprite render of the first frame
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assert(img ~= nil)
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assert(img.spec == spr.spec)
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assert(img:getPixel(15, 15) == 129)
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end
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-- Fix drawImage() when drawing in a cel image
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do
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local a = Image(3, 2, ColorMode.INDEXED)
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array_to_pixels({ 0, 1, 2,
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2, 3, 4 }, a)
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local function test(b)
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expect_img(b, { 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0,
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0, 0, 0, 0, 0,
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0, 0, 0, 0, 0 })
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b:drawImage(a, Point(2, 1))
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expect_img(b, { 0, 0, 0, 0, 0,
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0, 0, 0, 1, 2,
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0, 0, 2, 3, 4,
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0, 0, 0, 0, 0 })
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b:drawImage(a, Point(0, 1))
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expect_img(b, { 0, 0, 0, 0, 0,
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0, 1, 2, 1, 2,
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2, 3, 4, 3, 4,
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0, 0, 0, 0, 0 })
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b:drawImage(a, Point(-1, 2))
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expect_img(b, { 0, 0, 0, 0, 0,
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0, 1, 2, 1, 2,
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1, 2, 4, 3, 4,
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3, 4, 0, 0, 0 })
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b:drawImage(a, Point(0, 3))
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expect_img(b, { 0, 0, 0, 0, 0,
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0, 1, 2, 1, 2,
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1, 2, 4, 3, 4,
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0, 1, 2, 0, 0 })
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b:drawImage(a, Point(0, 3)) -- Do nothing
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expect_img(b, { 0, 0, 0, 0, 0,
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0, 1, 2, 1, 2,
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1, 2, 4, 3, 4,
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0, 1, 2, 0, 0 })
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end
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local b = Image(5, 4, ColorMode.INDEXED)
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test(b)
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local s = Sprite(5, 4, ColorMode.INDEXED)
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test(app.activeCel.image)
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end
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-- Tests using Image:drawImage() with opacity and blend modes
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do
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local spr = Sprite(3, 3, ColorMode.RGB)
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local back = Image(3, 3)
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local r_255 = Color(255, 0, 0).rgbaPixel
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local g_255 = Color(0, 255, 0).rgbaPixel
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local g_127 = Color(0, 255, 0, 127).rgbaPixel
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local g_064 = Color(0, 255, 0, 64).rgbaPixel
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local r_g127 = Color(128, 127, 0, 255).rgbaPixel -- result of g_127 over r_255 (NORMAL blend mode)
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local r_g064 = Color(191, 64, 0, 255).rgbaPixel -- result of g_064 over r_255 (NORMAL blend mode)
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local mask = Color(0, 0, 0, 0).rgbaPixel
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back:clear(r_255)
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spr:newCel(spr.layers[1], 1, back, Point(0, 0))
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local image = Image(2, 2)
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image:drawPixel(0, 0, g_127)
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image:drawPixel(1, 0, g_064)
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image:drawPixel(0, 1, mask)
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image:drawPixel(1, 1, g_255)
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local c = spr.layers[1]:cel(1).image
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expect_img(c, { r_255, r_255, r_255,
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r_255, r_255, r_255,
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r_255, r_255, r_255 })
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spr.layers[1]:cel(1).image:drawImage(image, Point(1, 1), 255, BlendMode.NORMAL)
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c = spr.layers[1]:cel(1).image
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expect_img(c, { r_255, r_255, r_255,
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r_255, r_g127, r_g064,
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r_255, r_255, g_255 })
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undo()
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c = spr.layers[1]:cel(1).image
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expect_img(c, { r_255, r_255, r_255,
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r_255, r_255, r_255,
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r_255, r_255, r_255 })
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-- Image:drawImage() with 50% opacity
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spr.layers[1]:cel(1).image:drawImage(image, Point(1, 1), 128, BlendMode.NORMAL)
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local r_g032 = Color(223, 32, 0, 255).rgbaPixel -- result of g_064 @oopacity=128 over r_255 (NORMAL blend mode)
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local r_g128 = Color(127, 128, 0, 255).rgbaPixel -- result of g_255 o@oopacity=128 ver r_255 (NORMAL blend mode)
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c = spr.layers[1]:cel(1).image
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expect_img(c, { r_255, r_255, r_255,
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r_255, r_g064, r_g032,
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r_255, r_255, r_g128 })
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undo()
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c = spr.layers[1]:cel(1).image
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expect_img(c, { r_255, r_255, r_255,
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r_255, r_255, r_255,
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r_255, r_255, r_255 })
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-- Image:drawImage() without undo information (destination image
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-- not related with a cel on a sprite)
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local back2 = Image(3, 3, ColorMode.RGB)
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back2:clear(r_255)
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local image2 = Image(2, 2, ColorMode.RGB)
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image2:drawPixel(0, 0, g_127)
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image2:drawPixel(1, 0, g_064)
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image2:drawPixel(0, 1, mask)
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image2:drawPixel(1, 1, g_255)
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expect_img(back2, { r_255, r_255, r_255,
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r_255, r_255, r_255,
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r_255, r_255, r_255 })
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back2:drawImage(image2, Point(1, 1), 255, BlendMode.NORMAL)
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expect_img(back2, { r_255, r_255, r_255,
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r_255, r_g127, r_g064,
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r_255, r_255, g_255 })
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undo()
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expect_img(back2, { r_255, r_255, r_255,
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r_255, r_g127, r_g064,
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r_255, r_255, g_255 })
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end
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-- Tests for Image:flip()
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do
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local img = Image(3, 3)
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local r = Color(255, 0, 0).rgbaPixel
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local g = Color(0, 255, 0).rgbaPixel
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img:clear(0)
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img:drawPixel(0, 0, g)
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img:drawPixel(1, 1, r)
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img:drawPixel(2, 2, r)
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expect_img(img, { g, 0, 0,
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0, r, 0,
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0, 0, r })
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img:flip()
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expect_img(img, { 0, 0, g,
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0, r, 0,
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r, 0, 0 })
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app.undo()
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expect_img(img, { g, 0, 0,
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0, r, 0,
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0, 0, r })
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img:flip(FlipType.HORIZONTAL)
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expect_img(img, { 0, 0, g,
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0, r, 0,
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r, 0, 0 })
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app.undo()
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img:flip(FlipType.VERTICAL)
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expect_img(img, { 0, 0, r,
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0, r, 0,
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g, 0, 0 })
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img:flip(FlipType.VERTICAL)
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expect_img(img, { g, 0, 0,
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0, r, 0,
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0, 0, r })
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app.undo()
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app.undo()
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expect_img(img, { g, 0, 0,
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0, r, 0,
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0, 0, r })
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end |